CVE-2021-37183

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-14 · updated 2026-06-17
Weakness: CWE-284

Description

A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.0 SP2). The affected software allows sending send-to-sleep notifications to the managed devices. An unauthenticated attacker in the same network of the affected system can abuse these notifications to cause a Denial-of-Service condition in the managed devices.

Affected products

Siemens SINEMA Remote Connect Server: before 3.0; 3.0, 3.0-sp1 — fixed in 3.0

How to fix

Upgrade to a fixed version: Siemens SINEMA Remote Connect Server 3.0. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-334944.pdf

Get alerted when CVE-2021-37183 or the next vulnerability affects your stack